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Job Information

AECOM Principal Design Electrical Engineer - HV Substation & Infrastructure - Middle East Projects (UK wide) in Manchester, United Kingdom

Company Description

At AECOM, we’re delivering a better world.

We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive.

Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world.

Job Description

AECOM is recruiting for Principal Engineer to join our UK Transmission and Distribution (T&D) department.

Our UK&I T&D team is spread across Aberdeen, Ashford, Basingstoke, Birmingham, Bristol, Cambridge, Cardiff, Croydon, Dublin, Edinburgh, Exeter, Glasgow, Leeds, London Aldgate, Manchester, Newcastle, Nottingham, Plymouth, St Albans. If you are not located near a main office, we will consider a remote-working arrangement.

Our T&D team delivers HV design for electrical power projects at transmission and distribution voltage levels. The focus of this role is primary plant design for large-scale infrastructure, grid connections, and private networks at voltage levels normally between 132kV to 400kV. Typical projects include feasibility, optioneering, FEED, detailed design and design assurance on existing or brand-new substations and other infrastructure.

  • Experience designing the HV substations (indoor/outdoor) across the full project lifecycle from feasibility to detailed design (in some cases until preparing construction packages).

  • Sound understanding of electrical plant items operation and controls and associated systems such as power and auto transformers, reactors, STATCOMs, AIS/GIS switchgears, HVDC systems (optional), interconnectors, HV Protection & Control.

  • Sound knowledge and understanding of different utility standards and other applicable international standards in field of power engineering.

  • Design of HV/EHV substations this includes preparing drawings such as substation overall site layouts including but not limited to AIS/GIS yard/building design, protection and control room/building design and MV room/yard design, transformer/reactor’s yards design etc.

  • Optioneering exercise to select the best substation configuration (voltage levels, installed and firm capacities) as per functional requirements of project.

  • HV/EHV GIS and AIS switchgear’s design.

  • HV/EHV cable sealing end compound design.

  • Detailed level substation engineering calculations such as transformer sizing, bus bar sizing, breaker sizing, earthing design & calculations, lightning protection risk assessment and shielding design, transformer neutral treatment selection, AC/DC load estimation and equipment sizing, lighting and small power design, battery sizing, backup power demand for substation’s LV AC/DC loads and other auxiliary/essential loads.

  • HV, MV and LV Cable routing along with cable’s ampacity verification in engineering software for different cable installation conditions within the substation.

  • Good understanding in substations protection and control design work including preparing protection schedules, panel layouts, AC & DC Schematics, Logic Diagrams, mapping tables and protection settings

  • Previous experience to perform load flow, short circuit analysis on transmission level projects.

  • Pro-efficient in use of CDEGS, CYME/CYMCAP and ETAP/Power Factor or similar.

  • Previous design/engineering experience (preferably) with engineering consultants, EPC contractor, OEMs or (even with) utilities in the energy & renewables sector.

  • On hands practical experience in different design stages such as concept/feasibility, FEED design, Detailed Design, Construction Support, owner’s engineer etc.



  • Previous experience in Middle East on delivery of major transmission and distribution infrastructure projects.

  • Previous experience to write technical reports, basis of design documents, proposal scope, estimate manhours and cost estimates for different engineering resources for all design stages.

  • Previous experience to write technical equipment of all major equipment of transmission substation

  • Previous experience to prepare material take off for transmission substation projects

  • Previous experience in Hazard analysis and knowledge of safety in design procedures for transmission substation projects.

  • Design Assurance - Reviewing of supplier technical designs.

  • Manufacturing assurance audits that manufacturing is following technical design, attending FAT. Commissioning support - Fault resolution support


  • The value of diversity and inclusion is readily apparent in creating a collaborative, supportive working environment and in delivering innovative, contextually appropriate projects. It is very important to both what we do and the way we do it. We welcome applicants from a diverse range of backgrounds and experiences. The important thing for us is that you can demonstrate that you can effectively fulfil the needs of the role. If you feel you can fulfil the requirements of the role, but there are other factors that are making you hesitant in applying, we would still like to hear from you and see if we can work together to overcome any challenges.

Additional Information

With infrastructure investment accelerating worldwide, our services are in great demand, and there’s never been a better time to be at AECOM! Join us, and you’ll get all the benefits of being a part of a global, publicly traded firm – access to industry-leading technology and thinking and transformational work with big impact and work flexibility.

AECOM provides a wide array of compensation and benefits programs to meet the diverse needs of our employees and their families. We also provide a robust global well-being program. We’re the world’s trusted global infrastructure firm, and we’re in this together – your growth and success are ours too.

As an Equal Opportunity Employer, we believe in each person’s potential, and we’ll help you reach yours.

Join us and let’s get started.

ReqID: J10068584

Business Line: Energy

Business Group: DCS

Strategic Business Unit: Europe & India

Career Area: Engineering